TT 1:120 Gauge Set Track Setting Jigs X8. Made in 5mm acrylic with 3mm diameter holes for pins or screws. Set contains the following radius jigs 1st curve 267mm 2nd curve 310mm 3rd curve 353mm 4th curve 396mm 5th curve 439mm 6th curve 482mm 7th curve 525mm Straight jig, Track pictured not included.